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Why does IFS give a smoother ride?
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=1473		 Page 1 of 1
Author:  TheChucklesStart [ Tue Aug 30, 2005 1:10 am ]
Post subject:  Why does IFS give a smoother ride?
Why does IFS give a smoother ride?

Sorry if this has an obvious answer, but it seems that it has just as much momentum as a solid axel and for day to day driving, there shouldn't be much that is effected by the tires rotating a little bit.
Author:  Eddo [ Tue Aug 30, 2005 8:56 am ]
Post subject: 
I don't think it necessarily gives a smoother rides. Even though it is suppose to have less unsprung weight (more momentum as you mentioned) I think that is really based more on spring rates. However, I believe it gives better handling at highway speeds. Why it does, I really don't know. Maybe it has something to do with the wheeling being independent of each other and a disturbance in once doesn't cause one in the other wheel.

For example my parents grand cherokee rides alot smoother than my KJ. Almost like a cadallic. However, it can be a little unsettling driving it over a pretty ruff road with lots of little pot holes and patch work (typical of chicago freeways) at highway speeds, especially while making turns. I driven over this type of stuff in my KJ w/o much incident however in the GC it definitely felt more squirly.
Author:  LimitedLurker [ Tue Aug 30, 2005 4:00 pm ]
Post subject: 
http://auto.howstuffworks.com/car-suspension.htm

Here is an article on how suspensions work. Haven't read it all but you'll probably find your answer. This is an awesome site.
Author:  TheChucklesStart [ Tue Aug 30, 2005 4:57 pm ]
Post subject: 
Thanks for the link to the article, the only thing that they mentioned was that it has better control of the camber of the tires.
Author:  kj lad [ Tue Aug 30, 2005 5:19 pm ]
Post subject: 
With IFS the front wheels move up and down independantly of each other allowing a bump/dip to be accounted for at the end of the axle that encounters it. This means that the wheels are flat on the road and bump/dip at the same time.

With a solid axle when one wheel hits a bump/dip, because both wheels react together, they both run along their edges. Also because both wheels are 'tied' together, if one wheel bounces then the other has to follow suit.

I hope that makes some sense....... It makes in my head anyway :? (there again strange things go on in my head :lol: )

Ian
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